Itaquiraí weather in September

In September, Itaquiraí sees average daytime highs of 28°C and overnight lows near 17°C, with 114 mm of rain across 9 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 47% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 11 h 30 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Itaquiraí's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Itaquiraí's year-round climate.

Daytime high
28°
8th warmest
Overnight low
17°
5th coldest
Rainfall
114 mm
9 wet days
Daylight
11 h 54 min
6:35 AM – 6:27 PM
Cloud cover
47%
3rd clearest
Wind
10 km/h
2nd windiest
Solar energy
5.1 kWh/m²
Travel score
6.2
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical September day in Itaquiraí reaches about 28°C in the afternoon and slips back to 17°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 35°C. Set against its neighbours, September runs about 2°C warmer than August and about 1°C cooler than October.

10°20°30°40°151015202530
Avg high (°C)Avg low (°C)
12816
22816
32816
42816
52816
62816
72816
82817
92817
102817
112817
122817
132817
142817
152817
162817
172817
182817
192817
202817
212817
222817
232817
242817
252817
262818
272818
282818
292818
302918

How September really feels in Itaquiraí

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Itaquiraí weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°19520.113.33.4
Feb31° / 22°18017.312.83.6
Mar30° / 21°13715.412.24.3
Apr28° / 19°97911.56.1
May25° / 16°1198.710.97.2
Jun24° / 15°101810.67.5
Jul24° / 14°806.810.77.7
Aug26° / 15°826.411.27.6
Sep28° / 17°114911.96.2
Oct29° / 19°17413.712.64.8
Nov30° / 20°16413.813.14.5
Dec31° / 21°19617.813.43.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 12% of September, with mostly cloudy or overcast conditions the remaining 41%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17129
26931
36832
46832
56634
66634
76436
86337
96238
106238
116139
126139
136040
146040
156040
165941
175941
185941
195842
205842
215743
225644
235545
245446
255347
265248
275149
285050
294951
304852

Chance of precipitation in September

Any precipitation

Itaquiraí gets around 114 mm of rain over 9 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 30% and peaks near 40% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
122
223
323
424
524
625
725
826
926
1027
1127
1228
1328
1428
1529
1630
1730
1831
1931
2032
2133
2234
2335
2436
2537
2638
2738
2839
2940
3040

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the comfortable band about 30% of days. Sticky, muggy-or-worse air turns up on roughly 20% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
131362580
231362680
330362680
429362690
5283627100
6273627100
7273527110
8263528120
9263428120
10253428130
11243329140
12243229150
13233229160
14233130160
15223030170
16223030180
17222930191
18212829201
19212829211
20212729231
21202629241
22192529251
23192528272
24182428282
25172428292
26162328312
27152328323
28142228343
29142127353
30132027363

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 30 min at the start of September to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over September. Sunrise moves from 6:51 AM to 6:20 AM, and sunset from 6:22 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:516:22
211.56:506:22
311.66:496:23
411.66:486:23
511.66:476:23
611.66:466:24
711.76:456:24
811.76:446:24
911.76:436:25
1011.76:416:25
1111.76:406:25
1211.86:396:26
1311.86:386:26
1411.86:376:26
1511.86:366:27
1611.96:356:27
1711.96:346:27
1811.96:336:28
1911.96:326:28
2012.06:316:28
2112.06:306:29
2212.06:296:29
2312.06:286:29
2412.16:276:30
2512.16:256:30
2612.16:246:30
2712.16:236:31
2812.16:226:31
2912.26:216:31
3012.26:206:32

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.1 kWh/m².

For context, solar energy here swings from a low near 3.19 kWh/m² to a high of 6.32 kWh/m² in December across the year — September's 5.1 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.3Bright
Planning a trip in September

Is September a good time to visit Itaquiraí?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.2
Sightseeing
5th-best month of the year
7.2
Beach & pool
2nd-best month of the year

September is a reasonable time to visit Itaquiraí for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Itaquiraí in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Itaquiraí sees daytime highs around 28°C and nights near 17°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Itaquiraí in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Itaquiraí peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 13 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateExtremeJan 19UV 15Sep 13UV 4
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug7High
Sep3Moderate
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Itaquiraí in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Itaquiraí is worst in September — around 34 µg/m³ PM2.5 (moderate), about 6.4× the cleanest month (March, 5 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1532 µg/m³Mar 185 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb7Good
Mar5Good
Apr6Good
May8Good
Jun8Good
Jul7Good
Aug20Moderate
Sep34Moderate
Oct14Moderate
Nov9Good
Dec7Good
Location & terrain

Where is Itaquiraí?

Itaquiraí sits at 23.5°S, 54.2°W, 334 m above sea level, in Brazil. The nearest listed city is Naviraí, 46 km away.

Topography around Itaquiraí

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Itaquiraí.

Within 3 km, the terrain around Itaquiraí has only modest variations in elevation — a maximum elevation change of 109 m around an average of 342 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 186 m; within 80 km, only modest variations in elevation — a maximum elevation change of 249 m.

The land around Itaquiraí is covered by cropland (51%) and grassland (31%) within 3 km, cropland (53%) and grassland (30%) within 16 km, and cropland (44%) and grassland (37%) within 80 km.

3 km
109 m
16 km
186 m
80 km
249 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Naviraí 46 km · Altônia 53 km · Guaíra 68 km · Terra Roxa 76 km · Iporã 76 km · Umuarama 93 km · Palotina 97 km · Caarapó 114 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Itaquiraí (-23.4744°, -54.185°, elevation 334 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).